Siemens SINUMERIK 840D Operating Manual page 155

Note
Block-by-block execution
The <SINGLE BLOCK> key is also active in the overstore mode. If several blocks are
entered in the overstore buffer, then these are executed block-by-block after each NC start
Deleting blocks
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
4. Press the <CYCLE START> key.
The blocks you have entered are stored. You can observe execution in
the "Overstore" window.
After the entered blocks have been executed, you can append blocks
again.
You cannot change the operating mode while you are in overstore
mode.
5. Press the "Back" softkey.
The "Overstore" window closes.
6. Press the <CYCLE START> key again.
The program selected before overstoring continues to run.
Press the "Delete blocks" softkey to delete program blocks you have
entered.
Machining the workpiece
4.9 Overstore
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